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Diffstat (limited to 'libobjc/thr-os2.c')
| -rw-r--r-- | libobjc/thr-os2.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/libobjc/thr-os2.c b/libobjc/thr-os2.c deleted file mode 100644 index 1f9e3ae5cea..00000000000 --- a/libobjc/thr-os2.c +++ /dev/null @@ -1,266 +0,0 @@ -/* GNU Objective C Runtime Thread Interface - OS/2 emx Implementation - Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc. - Contributed by Thomas Baier (baier@ci.tuwien.ac.at) - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software -Foundation; either version 3, or (at your option) any later version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -FOR A PARTICULAR PURPOSE. See the GNU General Public License for more -details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - - -#include "objc/thr.h" -#include "objc/runtime.h" - -#define INCL_DOSSEMAPHORES -#define INCL_DOSPROCESS - -/* - * conflicts with objc.h: SEL, BOOL, id - * solution: prefixing those with _OS2_ before including <os2.h> - */ -#define SEL _OS2_SEL -#define BOOL _OS2_BOOL -#define id _OS2_id -#include <os2.h> -#undef id -#undef SEL -#undef BOOL - -#include <stdlib.h> - -/* Backend initialization functions */ - -/* Initialize the threads subsystem. */ -int -__objc_init_thread_system(void) -{ - return 0; -} - -/* Close the threads subsystem. */ -int -__objc_close_thread_system(void) -{ - return 0; -} - -/* Backend thread functions */ - -/* Create a new thread of execution. */ -objc_thread_t -__objc_thread_detach(void (*func)(void *arg), void *arg) -{ - int thread_id = 0; - - if ((thread_id = _beginthread (func,NULL,32768,arg)) < 0) - thread_id = 0; - - return (objc_thread_t)thread_id; -} - -/* Set the current thread's priority. */ -int -__objc_thread_set_priority(int priority) -{ - ULONG sys_class = 0; - ULONG sys_priority = 0; - - /* OBJC_THREAD_INTERACTIVE_PRIORITY -> PRTYC_FOREGROUNDSERVER - * OBJC_THREAD_BACKGROUND_PRIORITY -> PRTYC_REGULAR - * OBJC_THREAD_LOW_PRIORITY -> PRTYC_IDLETIME */ - - switch (priority) { - case OBJC_THREAD_INTERACTIVE_PRIORITY: - sys_class = PRTYC_REGULAR; - sys_priority = 10; - break; - default: - case OBJC_THREAD_BACKGROUND_PRIORITY: - sys_class = PRTYC_IDLETIME; - sys_priority = 25; - break; - case OBJC_THREAD_LOW_PRIORITY: - sys_class = PRTYC_IDLETIME; - sys_priority = 0; - break; - } - - /* Change priority */ - if (!DosSetPriority (PRTYS_THREAD,sys_class,sys_priority,*_threadid)) - return 0; - else - return -1; -} - -/* Return the current thread's priority. */ -int -__objc_thread_get_priority(void) -{ - PTIB ptib; - PPIB ppib; - - /* get information about current thread */ - DosGetInfoBlocks (&ptib,&ppib); - - switch (ptib->tib_ptib2->tib2_ulpri) - { - case PRTYC_IDLETIME: - case PRTYC_REGULAR: - case PRTYC_TIMECRITICAL: - case PRTYC_FOREGROUNDSERVER: - default: - return OBJC_THREAD_INTERACTIVE_PRIORITY; - } - - return -1; -} - -/* Yield our process time to another thread. */ -void -__objc_thread_yield(void) -{ - DosSleep (0); -} - -/* Terminate the current thread. */ -int -__objc_thread_exit(void) -{ - /* terminate the thread, NEVER use DosExit () */ - _endthread (); - - /* Failed if we reached here */ - return -1; -} - -/* Returns an integer value which uniquely describes a thread. */ -objc_thread_t -__objc_thread_id(void) -{ - return (objc_thread_t) *_threadid; -} - -/* Sets the thread's local storage pointer. */ -int -__objc_thread_set_data(void *value) -{ - *_threadstore () = value; - - return 0; -} - -/* Returns the thread's local storage pointer. */ -void * -__objc_thread_get_data(void) -{ - return *_threadstore (); -} - -/* Backend mutex functions */ - -/* Allocate a mutex. */ -int -__objc_mutex_allocate(objc_mutex_t mutex) -{ - if (DosCreateMutexSem (NULL, (HMTX)(&(mutex->backend)),0L,0) > 0) - return -1; - else - return 0; -} - -/* Deallocate a mutex. */ -int -__objc_mutex_deallocate(objc_mutex_t mutex) -{ - DosCloseMutexSem ((HMTX)(mutex->backend)); - return 0; -} - -/* Grab a lock on a mutex. */ -int -__objc_mutex_lock(objc_mutex_t mutex) -{ - if (DosRequestMutexSem ((HMTX)(mutex->backend),-1L) != 0) - return -1; - else - return 0; -} - -/* Try to grab a lock on a mutex. */ -int -__objc_mutex_trylock(objc_mutex_t mutex) -{ - if (DosRequestMutexSem ((HMTX)(mutex->backend),0L) != 0) - return -1; - else - return 0; -} - -/* Unlock the mutex */ -int -__objc_mutex_unlock(objc_mutex_t mutex) -{ - if (DosReleaseMutexSem((HMTX)(mutex->backend)) != 0) - return -1; - else - return 0; -} - -/* Backend condition mutex functions */ - -/* Allocate a condition. */ -int -__objc_condition_allocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Deallocate a condition. */ -int -__objc_condition_deallocate(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wait on the condition */ -int -__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up all threads waiting on this condition. */ -int -__objc_condition_broadcast(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* Wake up one thread waiting on this condition. */ -int -__objc_condition_signal(objc_condition_t condition) -{ - /* Unimplemented. */ - return -1; -} - -/* End of File */ |